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Cheap flights from London Heathrow Airport to Mostar from £175

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OMO
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Mostar

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Mostar (OMO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 January 2026.

Round-trip from

£225

One-way from

£186
Croatia Airlines
  • Croatia Airlines
  • 10/2-17/2
  • 3 total stops
  • 33h 25m total
  • London to Mostar
Search Deals
Air Serbia
  • Air Serbia
  • 23/5
  • 1 total stop
  • 17h 30m total
  • London to Mostar
Search Deals

Find flight deals from Heathrow to Mostar

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Mostar
Explore the most affordable flight options available from Heathrow to Mostar. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 January 2026.

Mon 23/216:50
LHR
-
OMO
1 stop21h 00m
Croatia Airlines
Mon 2/306:00
OMO
-
LHR
1 stop11h 05m
Croatia Airlines
Deal found 12/1£175
Mon 23/212:05
LHR
-
OMO
2 stops25h 45m
Multiple Airlines
Mon 2/306:00
OMO
-
LHR
1 stop11h 05m
Multiple Airlines
Deal found 12/1£211
Mon 9/212:05
LHR
-
OMO
2 stops25h 45m
Multiple Airlines
Mon 16/206:00
OMO
-
LHR
1 stop11h 05m
Multiple Airlines
Deal found 12/1£225
Tue 10/206:00
LHR
-
OMO
2 stops7h 50m
Multiple Airlines
Tue 17/215:30
OMO
-
LHR
1 stop25h 35m
Multiple Airlines
Deal found 11/1£225
Thu 30/406:00
LHR
-
OMO
2 stops17h 00m
Multiple Airlines
Mon 4/506:00
OMO
-
LHR
1 stop14h 15m
Multiple Airlines
Deal found 11/1£243
Mon 9/216:50
LHR
-
OMO
1 stop21h 00m
Croatia Airlines
Mon 16/206:00
OMO
-
LHR
1 stop11h 05m
Croatia Airlines
Deal found 12/1£248
Mon 23/316:50
LHR
-
OMO
1 stop21h 00m
Croatia Airlines
Fri 27/306:00
OMO
-
LHR
2 stops17h 20m
Croatia Airlines
Deal found 11/1£254
Wed 22/720:25
LHR
-
OMO
2 stops26h 35m
Multiple Airlines
Wed 29/713:20
OMO
-
LHR
2 stops28h 45m
Multiple Airlines
Deal found 11/1£257
Thu 12/213:30
LHR
-
OMO
2 stops9h 30m
Croatia Airlines
Mon 16/206:00
OMO
-
LHR
1 stop11h 05m
Croatia Airlines
Deal found 11/1£260

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Mostar that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Mostar that are best for you.

Fly from

Heathrow

Fly to

Mostar

Route

Depart

Return

Price

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Mon 23/2

16:50-14:50

1 stop21h 00m

Mostar

Mon 2/3

06:00-16:05

1 stop11h 05m

£175

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Mon 23/2

12:05-14:50

2 stops25h 45m

Mostar

Mon 2/3

06:00-16:05

1 stop11h 05m

£211

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Tue 10/2

06:35-14:50

2 stops7h 15m

Mostar

Tue 17/2

15:30-17:05

2 stops26h 35m

£225

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Thu 30/4

06:00-00:00

2 stops17h 00m

Mostar

Mon 4/5

06:00-19:15

1 stop14h 15m

£243

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Mon 23/3

16:50-14:50

1 stop21h 00m

Mostar

Fri 27/3

06:00-22:20

2 stops17h 20m

£254

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Mon 23/3

20:05-14:50

2 stops17h 45m

Mostar

Fri 27/3

06:00-22:20

2 stops17h 20m

£269

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Thu 19/2

08:40-23:59

2 stops14h 19m

Mostar

Fri 20/2

15:15-12:20

1 stop22h 05m

£305

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Sat 23/5

19:55-14:25

1 stop17h 30m

£186

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Sat 21/3

07:45-23:59

2 stops39h 14m

£190

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Thu 2/4

06:30-00:00

2 stops16h 30m

£192

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 15 results
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Best time to book a flight from Heathrow to Mostar

Have a flexible travel schedule? Discover the best time to fly to Mostar from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Mostar

What is the cheapest month to book a flight from London Heathrow Airport to Mostar?

Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Mostar (average of £28). Flying from London Heathrow Airport to Mostar in August is currently the most expensive (average of £178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Mostar. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Mostar from London Heathrow?

    For a flight from London Heathrow to Mostar, you will be flying into Mostar. Mostar (OMO) is just 4.6 mi from the center of the city. Mostar is the only Mostar airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Mostar from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Mostar?

    Airlines like Croatia Airlines fly from London Heathrow Airport to Mostar in about 21h. The time it takes to get you to your destination can typically vary by up to . There are 1021 mi between London Heathrow Airport and Mostar.

  • Can I find deals for flights from Heathrow to Mostar that include hotel bookings?

    Yes. In addition to deals on Heathrow to Mostar flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Mostar?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Mostar.

  • Can I find deals for business class flights from Heathrow to Mostar?

    Yes. Cheapflights offers flight deals from Heathrow to Mostar by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Mostar?

    Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Mostar (average of £28). Flying from London Heathrow Airport to Mostar in August is currently the most expensive (average of £178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Mostar?

Book flights to Mostar if you plan to visit one of these locations
Medjugorje

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How does Cheapflights help users find flights from Heathrow to Mostar?

Cheapflights makes it easy to find Heathrow to Mostar flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Mostar?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Mostar by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Mostar with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Mostar, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Mostar become cheaper?

Of course! You can now track prices for flights from Heathrow to Mostar and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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